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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG842605479

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842605479

Diamond specifications and retailer prices

From €333 EUR
As of November 4, 2026
Save €1,226 EUR (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,559 EUR at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842605479 or 842605479. Listed at 16 retailers as of November 3, 2026, with prices from €333 to €1,559, a €1,226 spread on the same certified stone. Brilliant Earth lists it at €1,559. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842605479
Dimensions6.96 × 6.99 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.96 mm6.99 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842605479
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €1,559 EUR|Low: €333 EUR|High: €2,343 EUR|Avg: €847 EUR|-19.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 5€333 EUR
Retailer 3€370 EUR
Retailer 8€410 EUR
Retailer 13€508 EUR
Retailer 9€583 EUR
Retailer 14€597 EUR
Retailer 12€598 EUR
Retailer 16€637 EUR
Retailer 2€654 EUR
Retailer 11€909 EUR
Retailer 4€1,084 EUR
Retailer 7€1,181 EUR
Retailer 15€1,189 EUR
Retailer 6€1,238 EUR
Retailer 10€1,477 EUR
Brilliant Earth€1,559 EUR

24 data points across 16 retailers

16 retailers€333 EUR to €1,559 EUR

A+
Cheapest Retailer
-
€333 EUR
Final sale: no returns
A
Retailer 2
-
€370 EUR
View
A
Retailer 3
-
€410 EUR
View
A
Retailer 4
-
€508 EUR
View
A
Retailer 5
-
€583 EUR
View
A
Retailer 6
-
€597 EUR
View
A
Retailer 7
-
€598 EUR
View
A
Retailer 8
-
€637 EUR
View
A
Retailer 9
-
€654 EUR
View
B+
Retailer 10
-
€909 EUR
View
B+
Retailer 11
-
€1,084 EUR
View
B+
Retailer 12
-
€1,181 EUR
View
B+
Retailer 13
-
€1,189 EUR
View
B+
Retailer 14
-
€1,238 EUR
View
B+
Retailer 15
-
€1,477 EUR
View
Most Expensive
B
Brilliant Earth
21710952A · Nov 3
€1,559 EUR
$1,750 USD
View
15 more retailers have this diamond
Prices start from €333 EURSave up to €1,226 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
1.29ct Round
€333 EUR